1.Adopting German Bitzer compressor. 2.Using imported high-quality control valves. 3.Multiple units ... capacity regulation for load changes, improve efficiency and save energy.2, Average efficiency of the parallel units is 30% -60% ... consumption, and shorten the construction cycle.Reliable operation1,adopting German Bitzer compressor. 2, using imported high-quality control valves. 3, multiple units ...